Earth's greatest heroes assemble in a time of dire need, in tonight's penultimate episode in
this series of Russell T Davies's Bafta Award-winning time-travelling drama. But can the Doctor's secret army defeat the might
of the new Dalek Empire?

With battles on the streets and in the skies, the Doctor and Donna must brave the Shadow
Proclamation to find out the truth. However, a fearsome old enemy waits in the shadows...